Severe Thunderstorms Possible From The Plains To The Great Lakes, Heat Wave To Continue Over The Southern U.S.

Scattered strong to severe thunderstorms capable of damaging winds, large hail, isolated tornadoes, and heavy rainfall will be possible through tonight from the central Plains to the Great Lakes and Northeast U.S. The heavy rainfall could lead to localized flash flooding. Excessive heat will persist across the southern Plains and Desert Southwest early this week. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

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Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Partly Cloudy

92°F

33°C

Humidity	47%
Wind Speed	S 7 mph
Barometer	30.00 in (1016.0 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Heat Index	97°F (36°C)
Last update	18 Aug 12:52 pm EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Mobile Weather Hourly Weather Forecast

Extended Forecast for

Washington DC

This
Afternoon

Isolated
T-storms
High: 95 °F
Tonight

Isolated
T-storms then
Patchy Fog
Low: 76 °F
Monday

Patchy Fog
then Mostly
Sunny
High: 97 °F
Monday
Night

Mostly Cloudy
Low: 77 °F
Tuesday

Mostly Sunny
then
Scattered
T-storms
High: 97 °F
Tuesday
Night

Scattered
T-storms then
Scattered
Showers
Low: 75 °F
Wednesday

Chance
T-storms
High: 93 °F
Wednesday
Night

Chance
Showers
Low: 75 °F
Thursday

Chance
T-storms
High: 91 °F

Detailed Forecast

This Afternoon

Isolated showers and thunderstorms. Mostly sunny, with a high near 95. Heat index values as high as 101. South wind around 6 mph. Chance of precipitation is 20%.

Tonight

Isolated showers and thunderstorms before 10pm. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 76. South wind 5 to 8 mph. Chance of precipitation is 20%.

Monday

Patchy fog before 8am. Otherwise, mostly sunny and hot, with a high near 97. Heat index values as high as 101. Southwest wind around 6 mph.

Monday Night

Mostly cloudy, with a low around 77. South wind around 6 mph becoming calm after midnight.

Tuesday

Scattered showers and thunderstorms after 2pm. Partly sunny and hot, with a high near 97. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 40%.

Tuesday Night

Scattered showers and thunderstorms. Mostly cloudy, with a low around 75. Chance of precipitation is 40%.

Wednesday

A chance of showers and thunderstorms. Partly sunny, with a high near 93. Chance of precipitation is 40%.

Wednesday Night

A chance of showers. Mostly cloudy, with a low around 75. Chance of precipitation is 40%.

Thursday

A chance of showers and thunderstorms. Partly sunny, with a high near 91. Chance of precipitation is 50%.

Thursday Night

A chance of showers. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.

Friday

Mostly sunny, with a high near 86.